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v3.25.2

STOCKHOLDERS' EQUITY: (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Share based Compensation Plan |
Schedule of activity in treasury stock | Activity in treasury stock in the six-month periods ended June 30, 2025 and 2024 was as follows (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2025 |  | 2024
Southern Copper common shares | ​ | ​ | ​ | ​ | ​ | ​
Balance as of January 1, | ​ | $ | 2,337.3 | ​ | $ | 2,766.7
Dividends paid in common stock | ​ |  | (338.8) | ​ |  | (199.5)
Used for corporate purposes | ​ |  | (0.2) | ​ |  | (0.2)
Balance as of June 30, | ​ |  | 1,998.4 | ​ |  | 2,567.0
​ | ​ | ​ | ​ | ​ | ​ | ​
Parent Company (Grupo Mexico) common shares | ​ | ​ | ​ | ​ | ​ | ​
Balance as of January 1, | ​ |  | 363.4 | ​ |  | 382.3
Other activity, including dividend, interest and foreign currency translation effect | ​ |  | 10.2 | ​ |  | (3.1)
Balance as of June 30, | ​ |  | 373.5 | ​ |  | 379.3
Treasury stock balance as of June 30, | ​ | $ | 2,371.9 | ​ | $ | 2,946.2
Schedule of activity in Directors' Stock Award Plan | ​
​ | ​ | ​ | ​ | ​
​ |  | 2025 |  | 2024
Total SCC shares reserved for the plan |  | 600,000 |  | 600,000
Total shares granted at January 1, |  | (444,400) |  | (428,800)
Granted in the period |  | (6,400) |  | (8,800)
Total shares granted at June 30, |  | (450,800) |  | (437,600)
Remaining shares reserved |  | 149,200 |  | 162,400
Summary of non-controlling interest activity | The following table presents the non-controlling interest activity for the six-month periods ended June 30, 2025 and 2024 (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2025 |  | 2024
Balance as of January 1, |  | $ | 66.6 |  | $ | 63.1
Net earnings | ​ |  | 6.4 | ​ |  | 6.4
Dividend paid | ​ |  | (4.4) | ​ |  | (1.8)
Balance as of June 30, |  | $ | 68.6 |  | $ | 67.7
​
Employee Stock Purchase 2018 Plan |
Share based Compensation Plan |
Schedule of stock based compensation expense and unrecognized compensation expense | The stock based compensation expense for the six-month period ended June 30, 2025 and 2024 and the unrecognized compensation expense under this plan were as follows (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2025 | ​ | 2024
Stock based compensation expense | ​ | $ | 0.3 |  | $ | 0.3
Unrecognized compensation expense | ​ | $ | 0.7 |  | $ | 1.4
Schedule of stock award activity | ​
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Unit Weighted Average
​ |  | Shares |  | Grant Date Fair Value
Outstanding shares at January 1, 2025 |  | 1,901,089 | $ | 1.86
Granted |  | — | $ | —
Exercised |  | (602,500) |  | 1.86
Forfeited |  | — | ​ | —
Outstanding shares at June 30, 2025 |  | 1,298,589 | $ | 1.86
Outstanding shares at January 1, 2024 | ​ | 1,962,936 | $ | 1.86
Granted | ​ | — | ​ | —
Exercised | ​ | (41,742) | ​ | 1.86
Forfeited | ​ | — | ​ | —
Outstanding shares at June 30, 2024 |  | 1,921,194 | $ | 1.86
Employee Stock Purchase 2025 Plan |
Share based Compensation Plan |
Schedule of stock award activity | ​
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Unit Weighted Average
​ |  | Shares |  | Grant Date Fair Value
Outstanding shares at January 1, 2025 |  | — | ​ | —
Granted |  | 2,372,449 | $ | 4.94
Exercised |  | — |  | —
Forfeited |  | — | ​ | —
Outstanding shares at June 30, 2025 |  | 2,372,449 | $ | 4.94

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